// Example starter JavaScript for disabling form submissions if there are invalid fields
    (function() {
    'use strict';
    window.addEventListener('load', function() {
    // Fetch all the forms we want to apply custom Bootstrap validation styles to
    var forms = document.getElementsByClassName('needs-validation');
    // Loop over them and prevent submission
    var validation = Array.prototype.filter.call(forms, function(form) {
    form.addEventListener('submit', function(event) {
    if (form.checkValidity() === false) {
    event.preventDefault();
    event.stopPropagation();
}
    form.classList.add('was-validated');
}, false);
});
}, false);
})();
